the largest city in Texas; located in southeastern Texas near the Gulf of Mexico; site of the National Aeronautics and Space Administration

An inland port in Texas, linked to the Gulf of Mexico by the Houston Ship Canal; pop. 1,953,631. Since 1961, it has been a center for space research and manned space flight; it is the site of the NASA Space Center

United States politician and military leader who fought to gain independence for Texas from Mexico and to make it a part of the United States (1793-1863)

Houston is the fourth-largest city in the United States of America and the largest city in the state of Texas. As of the 2009 U.S. Census estimate, the city had a population of 2.3 million within an area of .

United States writer of novels based on experiences in the Klondike gold rush (1876-1916)

The capital of the United Kingdom, in southeastern England on the Thames River; pop. 6,377,000. London, called Londinium, was settled as a river port and trading center shortly after the Roman invasion of ad 43 and has been a flourishing center since the Middle Ages.It is divided administratively into the City of London, which is the country's financial center, and 32 boroughs

An industrial city in southeastern Ontario, Canada, north of Lake Erie; pop. 303,165

the capital and largest city of England; located on the Thames in southeastern England; financial and industrial and cultural center

London is the capital of England and the United Kingdom. It is the largest metropolitan area in the United Kingdom and the largest urban zone in the European Union by most measures.